Basics of Science

Question 1

Which statement is an inference and not just an observation?

Accepted Answer

The cat is hungry.

Question 2

Using one of more of your senses to gather information is

Accepted Answer

Observation

Question 3

A scientific investigation begins with:

Accepted Answer

Asking a question or observing a problem.

Question 4

Which axis do you plot an independent variable?

Accepted Answer

X-axis

Question 5

What type of graph would you use?

Accepted Answer

Pie

Question 6

An observation is...

Accepted Answer

information gathered using one of the five senses.

Question 7

When there are unknown substances in a laboratory setting, you should

Accepted Answer

Assume they re dangerous

Question 8

The order of the Scientific Method is....

Accepted Answer

problem, hypothesis, materials, data/observations, results, conclusion

Question 9

When converting to scientific notation, the decimal number should be between what numbers?

Accepted Answer

1 and 9

Question 10

All of the following are controlled variables EXCEPT:

Accepted Answer

Concentration of Hydrogen Peroxide in solutions

Question 11

Which is NOT a lab safety rule?

Accepted Answer

Ignore a spill or mess.

Question 12

An inference is

Accepted Answer

a likely explanation of the observation

Question 13

Observation vs. Inference: Some of the snow on the glacier is powdery

Accepted Answer

observation

Question 14

Bar Charts can only be used for categorical variables

Accepted Answer

True

Question 15

What is the measurment of this graduated cylinder?

Accepted Answer

6.60 ml

Question 16

An inference...

Accepted Answer

is an opinion or conclusion based on observable facts

Question 17

Lab Safety is:

Accepted Answer

preventing injury, hurt or loss

Question 18

Observation vs inference

Accepted Answer

observation what we see, inference what we infer

Question 19

What type of graph would you use?

Accepted Answer

Bar

Question 20

Observation or inference: The woman is crying

Accepted Answer

observation

Question 21

Convert to scientific notation:

Accepted Answer

4.02 x 10-3

Question 22

A quantitative observation...

Accepted Answer

addresses the number, quantity, or measurement of something.

Question 23

What is the measurement of the nail?

Accepted Answer

2.8 cm

Question 24

According to the picture, which of these is an inference rather than an observation?

Accepted Answer

This animal if friendly.

Question 25

How many independent variables can you have during an experiment?

Accepted Answer

only 1

Question 26

Which is not appropriate lab safety

Accepted Answer

tasting the lab materials

Question 27

What is the correct procedure to follow when smelling the odor of a chemical substance?

Accepted Answer

Fan your hand over the substance towards your nose (“WAFT”)

Question 28

What is the correct measurement of the solid line in this image?

Accepted Answer

2.3 cm

Question 29

What are the different variables?

Accepted Answer

Controlled, dependent, & independent

Question 30

Convert to scientific notation:

Accepted Answer

5.8 x 103

Question 31

Observation or inference: The couple is having a fight.

Accepted Answer

inference

Question 32

Study the situation and determine the independent and dependent variables:

Accepted Answer

number of downloads – dependent, time – independent

Question 33

What is the temperature in ℃?

Accepted Answer

30 ℃

Question 34

Observation vs. Inference: The water will become unsafe within 5 years

Accepted Answer

inference

Question 35

Convert to scientific notation:

Accepted Answer

1.234 x 103

Question 36

Which is not part of the scientific method

Accepted Answer

Making a video

Question 37

Convert to scientific notation:

Accepted Answer

6.4 x 10-5

Question 38

You would use this type of graph when your data is in percent (%)

Accepted Answer

Pie

Question 39

Describe the dependent and independent variables on Barbara's graph and write an equation.

Accepted Answer

The independent variable, x, dependent variable, y

Question 40

What type of graph would you use?

Accepted Answer

Line

Basics of Science

Questions 40

Basics of Science

Questions 40